./pants peek src/python/pants/backend/demo/messages.po
11:24:00.85 [WARN] DEPRECATED: `pants.engine.environment.Environment` is scheduled to be removed in version 2.17.0.dev0.

Use `pants.engine.env_vars.EnvironmentVars`.
11:24:00.85 [WARN] DEPRECATED: `pants.engine.environment.EnvironmentRequest` is scheduled to be removed in version 2.17.0.dev0.

Use `pants.engine.env_vars.EnvironmentVarsRequest`.
11:24:00.86 [WARN] DEPRECATED: `pants.engine.environment.CompleteEnvironment` is scheduled to be removed in version 2.17.0.dev0.

Use `pants.engine.env_vars.CompleteEnvironmentVars`.
11:24:00.91 [INFO] Initializing scheduler...
11:24:04.93 [INFO] Scheduler initialized.
11:24:05.62 [ERROR] 1 Exception encountered:

Engine traceback:
  in select
    ..
  in pants.backend.project_info.peek.peek
    `peek` goal

Traceback (most recent call last):
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 626, in native_engine_generator_send
    res = rule.send(arg) if err is None else rule.throw(throw or err)
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/backend/project_info/peek.py", line 178, in peek
    tds = await Get(TargetDatas, UnexpandedTargets, targets)
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 120, in __await__
    result = yield self
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 626, in native_engine_generator_send
    res = rule.send(arg) if err is None else rule.throw(throw or err)
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/backend/project_info/peek.py", line 141, in get_target_data
    dependencies_per_target = await MultiGet(
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 360, in MultiGet
    return await _MultiGet(tuple(__arg0))
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 167, in __await__
    result = yield self.gets
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 626, in native_engine_generator_send
    res = rule.send(arg) if err is None else rule.throw(throw or err)
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/graph.py", line 1200, in resolve_dependencies
    inferred = await MultiGet(
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 360, in MultiGet
    return await _MultiGet(tuple(__arg0))
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 167, in __await__
    result = yield self.gets
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/engine/internals/selectors.py", line 626, in native_engine_generator_send
    res = rule.send(arg) if err is None else rule.throw(throw or err)
  File "/Users/andreas.stenius/src/github/kaos/pants/src/python/pants/backend/demo/register.py", line 54, in infer_markup_files_for_portable_object_file
    raise RuntimeError("Please Run")
RuntimeError: Please Run